Pen cap



FIG. 1 is a front perspective view of a pen cap of the present invention;

FIG. 2 is a rear end view of the pen cap of FIG. 1;

FIG. 3 is a front end view of the pen cap of FIG. 1;

FIG. 4 is a side view of the pen cap of FIG. 1, the opposing side view being a mirror image thereof; and,

FIG. 5 is a top view of the pen cap of FIG. 1;

The raised indicia on the clip in broken lines in FIGS. 2, 4, and 5 is shown for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a pen cap, as shown and described. 